EASY5509 timer experiment can be seen on-board light-emitting LED L12 flashes flashing.
说明：EASY5509定时器实验可看到板上发光LEDL12开始闪烁闪烁。
In an uniformly accelerated motion experiment, the moment of a cart passing through the measuring point is recorded by PC's serial interface instead of pointing timer.
在匀变速直线运动的实验中，利用PC机的串行接口来记录运动小车通过测量点的时刻值，以此代替打点计时器计时。
The experiment shows that the timer is characterized with long time delay and high accuracy.
实验表明，该计时器具有延时时间长、计时精度高等特点。
The experiment shows that the timer is characterized with long time delay and high accuracy.
实验表明，该计时器具有延时时间长、计时精度高等特点。
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